• Welcome to the Fostech.com website! • SHOP SALE & CLEARANCE 

Making the world safer one firearm at a time.®
  • Videos
    • Customer Service
    • Origin-12 Shotgun
    • Rifles/SBR/Braced Pistols
    • Echo Triggers
    • Drone Handguns
    • Drums
    • Accessories
    • About FosTecH
  • Photos
  • Documents
  • Dealers
    • Dealer Locator
    • Become a Dealer
    • Dealer Login
  • NFA/Military/First Responder
    • N.F.A.
    • Military & L.E.
    • First Responder Program
  • Events
  • Financing
  • Wholesale
  • About
  • Contact
Search
  • Call
FosTecH, Inc.

CALL US

(812) 445-4028
WELCOME

Sign In / Register
00
See All
  • Home
  • Rifles/SBR/Braced Pistols
    • Shop by Series
      • Stealth
      • Flite
      • Tech
    • Shop by Caliber
      • 5.56
      • 9mm
      • .300 Blackout
      • .22 Long Rifle
      • .22 ARC
      • 6MM ARC
      • .223 Wylde
      • .458 SOCOM
    • Shop by Type/Purpose
      • Long Range Rifles
      • 16″ Barrel Rifles
      • Short Barrel Rifles
      • Braced Pistols
    • Build Your AR
    • AR Parts & Accessories
    • Builder Kits
    • Battle Builds
  • Origin Shotguns
    • Origin Shotguns
    • Origin-12 Accessories
    • Battle Builds
  • Handguns
    • All Handguns
    • Battle Builds
  • Echo Triggers
    • Echo Triggers
    • Echo Replacement Parts
      • Echo AR II Trigger
      • Echo Sport Trigger
      • Echo AK Trigger
    • Battle Builds
  • Accessories
    • Drums
    • Origin-12 Accessories
    • Drone Handguns
      • Predator Sig 320 Parts
    • AR Parts & Accessories
      • Triggers
      • Quad Rails/Handguards
      • Stocks, Grips, Braces, & Folding Adapters
      • Upper & Lower Receivers/Builder Kits
      • Upper & Lower Parts
      • Complete Upper Receivers
      • Complete Lower Receivers
      • Caliber Conversion Kits
      • AR Lightweight Components
      • All AR Parts & Accessories
    • AK Parts & Accessories
    • Sights & Optics
    • Suppressors
    • M Lock/Picatinny Mounts, Rails & Slings
    • Gun Cases, Racks, Vehicle Mounts, etc.
    • Battle Builds
  • Battle Builds
  • Ammo
  • Merch
  • ClearanceSALE
  • Gift Cards
    • Buy a Gift Card
    • Check Gift Card Balance
  • Home
  • Rifles/SBR/Braced Pistols
    • Shop by Series
      • Stealth
      • Flite
      • Tech
    • Shop by Caliber
      • 5.56
      • 9mm
      • .300 Blackout
      • .22 Long Rifle
      • .22 ARC
      • 6MM ARC
      • .223 Wylde
      • .458 SOCOM
    • Shop by Type/Purpose
      • Long Range Rifles
      • 16″ Barrel Rifles
      • Short Barrel Rifles
      • Braced Pistols
    • Build Your AR
    • AR Parts & Accessories
    • Builder Kits
    • Battle Builds
  • Origin Shotguns
    • Origin Shotguns
    • Origin-12 Accessories
    • Battle Builds
  • Handguns
    • All Handguns
    • Battle Builds
  • Echo Triggers
    • Echo Triggers
    • Echo Replacement Parts
      • Echo AR II Trigger
      • Echo Sport Trigger
      • Echo AK Trigger
    • Battle Builds
  • Accessories
    • Drums
    • Origin-12 Accessories
    • Drone Handguns
      • Predator Sig 320 Parts
    • AR Parts & Accessories
      • Triggers
      • Quad Rails/Handguards
      • Stocks, Grips, Braces, & Folding Adapters
      • Upper & Lower Receivers/Builder Kits
      • Upper & Lower Parts
      • Complete Upper Receivers
      • Complete Lower Receivers
      • Caliber Conversion Kits
      • AR Lightweight Components
      • All AR Parts & Accessories
    • AK Parts & Accessories
    • Sights & Optics
    • Suppressors
    • M Lock/Picatinny Mounts, Rails & Slings
    • Gun Cases, Racks, Vehicle Mounts, etc.
    • Battle Builds
  • Battle Builds
  • Ammo
  • Merch
  • ClearanceSALE
  • Gift Cards
    • Buy a Gift Card
    • Check Gift Card Balance

FosTecH Firearms Accessories

  • Home
  • Shop
  • FosTecH Firearms Accessories
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • Echo AK Allen Wrench Set (Set of 3)
    Echo AK Replacement Parts, Echo Replacement Parts

    Echo AK Allen Wrench Set (Set of 3)

     $9.00
    Add to cart
    Add to wishlist
    Quick View
  • Tech Complete Upper 16 M4
    MORE CALIBERS & LENGHTS
    Complete Upper Receivers, FosTecH Firearms Accessories, AR Accessories

    Tech Complete Upper Receiver w/ Mach 1 Handguard

     $549.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

  • Tech Upper Receiver 1Tech Upper Receiver 2
    AR Accessories, FosTecH Firearms Accessories

    Tech Stripped Upper Receiver

     $79.99
    Add to cart
    Add to wishlist
    Quick View
  • Echo AR II Most Commonly Replaced Part -- Toggle (Set of 2)
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Most Commonly Replaced Part — Toggle (Set of 2)

     $20.00
    Add to cart
    Add to wishlist
    Quick View
  • Devil Dog Concepts Hard Charger®- Original Front Mount: Fits Mil-Spec, Forged, Standard AR-15/M4
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    Devil Dog Concepts Hard Charger®- Original Front Mount: Fits Mil-Spec, Forged, Standard AR-15/M4

     $110.00
    Add to cart
    Add to wishlist
    Quick View

  • Flite Compete Upper M4
    MORE CALIBERS & LENGHTS
    Complete Upper Receivers, FosTecH Firearms Accessories, AR Accessories

    Flite Complete Upper Receiver w/ Mach 4 Handguard

     Starting at: $799.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

  • Tech Receiver Combo 1.2Tech Receiver Combo 2
    Upper & Lower Receivers/Builder Kits, FosTecH Firearms Accessories, AR Accessories

    Tech Upper and Lower Receiver Set

     Starting at: $149.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

  • Fostech 15 Mach 4 handguard Tungsten builder kitFostech 10 Mach 4 handguard OD green Builder Kit
    MORE COLORS & HANDGUARD LENGTHS
    AR Lightweight Components, Upper & Lower Receivers/Builder Kits, FosTecH Firearms Accessories, AR Accessories

    Stealth Raptor Builders Kit w/ Mach 4 Handguard

     Starting at: $539.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

  • Echo Sport Allen Wrench (Set of 3)
    Echo AR II Replacement Parts, Echo Replacement Parts, Echo Sport Replacement Parts

    Echo Sport Allen Wrench (Set of 3)

     $9.00
    Add to cart
    Add to wishlist
    Quick View
  • Echo AR II Most Commonly Replaced Part -- Spring Retainer
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Most Commonly Replaced Part — Spring Retainer

     $16.00
    Add to cart
    Add to wishlist
    Quick View
  • Out of stock
    Sylvan Arms AR15 Folding Stock Adapter Gen. 4
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    Sylvan Arms AR15 Folding Stock Adapter Gen. 4

     $177.99
    Read more
    Add to wishlist
    Quick View

  • Schmid Inside FCG MATCH PTFE
    AR Accessories, AR Triggers

    Schmid Inside FCG MATCH PTFE

     $44.95
    Add to cart
    Add to wishlist
    Quick View
  • Out of stock
    Dead Foot Arms DFA MCS - Folding Adaptor
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    Dead Foot Arms DFA MCS – Folding Adaptor

     $479.00
    Read more
    Add to wishlist
    Quick View

  • Dead Foot Arms SCW GEN 3 5.25" Brace Kit
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    Dead Foot Arms SCW GEN 3 5.25″ Brace Kit

     $373.50
    Add to cart
    Add to wishlist
    Quick View

  • Gear Head Works Tailhook MOD 1
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    Gear Head Works Tailhook MOD 1

     $129.95
    Add to cart
    Add to wishlist
    Quick View

  • Fostech SBA 5 braceFostech SBA 5 brace angle2
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    SB Tactical SBA5 Brace

     $99.99
    Add to cart
    Add to wishlist
    Quick View
  • SB SBA 3
    AR Accessories, FosTecH Firearms Accessories, Stocks, Grips, Braces, & Folding Adapters

    SB Tactical SBA3 Brace

     $99.99
    Add to cart
    Add to wishlist
    Quick View
  • Placeholder
    MORE CALIBERS & LENGHTS
    Complete Upper Receivers, FosTecH Firearms Accessories, AR Accessories

    Tech Complete Upper Receiver w/ Mach 4 Handguard

     Starting at: $499.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

  • Low Profile Gas Block
    Upper & Lower Parts, FosTecH Firearms Accessories, AR Accessories

    Low Profile Gas Block

     Starting at: $38.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View
  • Echo AR II Most Commonly Replaced Part -- Toggle Retainer
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Most Commonly Replaced Part — Toggle Retainer

     $16.00
    Add to cart
    Add to wishlist
    Quick View
  • Fab Defense Gen 2 5.56x45 30-Rounds Windowless Polymer Magazine for AR Platforms
    AR Accessories

    Fab Defense Gen 2 5.56×45 30-Rounds Windowless Polymer Magazine for AR Platforms

     $17.99
    Add to cart
    Add to wishlist
    Quick View
  • Fab Defense SPIKE M M-LOK Compatible Precision Bipod
    AR Accessories

    Fab Defense SPIKE M M-LOK Compatible Precision Bipod

     $159.99
    Add to cart
    Add to wishlist
    Quick View

  • Fab Defense SPIKE Precision Rifle Bipod
    AR Accessories

    Fab Defense SPIKE Precision Rifle Bipod

     $159.99
    Add to cart
    Add to wishlist
    Quick View

  • FAB Defense Wide Locking Rail Cover for M-LOK Compatible Handguards
    AR Accessories, FosTecH Firearms Accessories

    FAB Defense Wide Locking Rail Cover for M-LOK Compatible Handguards

     $18.99
    Add to cart
    Add to wishlist
    Quick View
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6

fostech_inc

Official Manufacturer of the Origin-12 Shotgun, Echo Trigger, .50BMG Drum, ultra Lightweight Rifles, and Drone Pistol.
Ever wondered what our Origin-12 looks like mounte Ever wondered what our Origin-12 looks like mounted to a drone? Wonder no more. Here’s a collab we did 10 years ago featuring the Origin-12 attached to a drone taking out another drone.
Fast on target, light in hand. FosTecH Flite Serie Fast on target, light in hand. FosTecH Flite Series, where agility meets precision. 🔥
30 rounds of pure 🔥 30 rounds of pure 🔥
Some new things are happening here at FosTecH 👀 Some new things are happening here at FosTecH 👀
A powerhouse of innovation and performance 🔥 Buil A powerhouse of innovation and performance 🔥 Built for speed, reliability, and total versatility. Our Origin-12 brings a folding stock, patented gas system, ambi controls, quick-change barrels, and 5 to 30 round mag options.
Hello Puerto Rico! FosTecH has officially landed a Hello Puerto Rico! FosTecH has officially landed at Shooter’s Sports Armory🔥 Come see what everyone is talking about and gear up with the best!
Bringing that range day energy to your Friday 🔥💪🏻 Bringing that range day energy to your Friday 🔥💪🏻
Precision meets innovation. FosTecH Echo Triggers Precision meets innovation. FosTecH Echo Triggers offer selectable modes, including safe operation, traditional semi-auto, and a unique setting that fires on both the pull and release of the trigger. Delivering a rapid, responsive shooting experience.
Follow on Instagram

Making the world safer, one firearm at a time.®

Subscribe to FosTecH Insider for our latest offers!

    [mc4wp_form id=20864]

    Contact Us

    SUBSCRIBE on YOUTUBE!
    Facebook Instagram X-twitter Youtube

    CALL

    (812) 445-4028

    EMAIL

    sales@FosTecH.us

    VISIT

    320 Myers Street
    Seymour, IN 47274

    OPEN

    Monday-Friday
    8:00am-4:00pm Eastern

    Shop FosTecH

    • Shop All Products
    • Origin Shotguns
    • Handguns
    • Build Your AR

    Help & Support

    • Documents, Manuals, & Patents
    • Customer Service & Warranties
    • Video Resources
    • Dealer Locator
    • Financing with Credova

    Information

    • Become a Dealer
    • N.F.A.
    • Military & L.E.
    • First Responder Program
    • Wholesale Partners
    • Terms & Conditions
    • Privacy Policy
    • Photo Galleries
    • About Us
    • Contact FosTecH

    Featured Product

    “Echo AR II Most Commonly Replaced Part — Toggle Retainer” has been added to your cart.
    • POPULAR
      Echo AR II Trigger
      AR Triggers, Echo Triggers

      Echo AR II Trigger

       $479.99
      Add to cart
      Add to wishlist
      Quick View

    FosTecH, Inc. © 2026. All Rights Reserved
    Website developed by P.TEN Marketing
    has been added to your cart.
    Checkout
    • FosTecH Products
    • Other Information
    • Home
    • Rifles/SBR/Braced Pistols
      • Shop by Series
        • Stealth
        • Flite
        • Tech
      • Shop by Caliber
        • 5.56
        • 9mm
        • .300 Blackout
        • .22 Long Rifle
        • .22 ARC
        • 6MM ARC
        • .223 Wylde
        • .458 SOCOM
      • Shop by Type/Purpose
        • Long Range Rifles
        • 16″ Barrel Rifles
        • Short Barrel Rifles
        • Braced Pistols
      • Build Your AR
      • AR Parts & Accessories
      • Builder Kits
      • Battle Builds
    • Origin Shotguns
      • Origin Shotguns
      • Origin-12 Accessories
      • Battle Builds
    • Handguns
      • All Handguns
      • Battle Builds
    • Echo Triggers
      • Echo Triggers
      • Echo Replacement Parts
        • Echo AR II Trigger
        • Echo Sport Trigger
        • Echo AK Trigger
      • Battle Builds
    • Accessories
      • Drums
      • Origin-12 Accessories
      • Drone Handguns
        • Predator Sig 320 Parts
      • AR Parts & Accessories
        • Triggers
        • Quad Rails/Handguards
        • Stocks, Grips, Braces, & Folding Adapters
        • Upper & Lower Receivers/Builder Kits
        • Upper & Lower Parts
        • Complete Upper Receivers
        • Complete Lower Receivers
        • Caliber Conversion Kits
        • AR Lightweight Components
        • All AR Parts & Accessories
      • AK Parts & Accessories
      • Sights & Optics
      • Suppressors
      • M Lock/Picatinny Mounts, Rails & Slings
      • Gun Cases, Racks, Vehicle Mounts, etc.
      • Battle Builds
    • Battle Builds
    • Ammo
    • Merch
    • ClearanceSALE
    • Gift Cards
      • Buy a Gift Card
      • Check Gift Card Balance
    • Videos
      • Customer Service
      • Origin-12 Shotgun
      • Rifles/SBR/Braced Pistols
      • Echo Triggers
      • Drone Handguns
      • Drums
      • Accessories
      • About FosTecH
    • Photos
    • Documents
    • Dealers
      • Dealer Locator
      • Become a Dealer
      • Dealer Login
    • NFA/Military/First Responder
      • N.F.A.
      • Military & L.E.
      • First Responder Program
    • Events
    • Financing
    • Wholesale
    • About
    • Contact
    Join the FosTecH Waitlist We will inform you when the product arrives in stock. Please leave your valid email address below.